ReserveAPI

reserve orpay as you go

API Access — Your Way

Reserve bulk calls at locked prices, or pay with ETH for instant one-time access. No commitments.

How It Works

Two ways to access any API

Reserve

Lock the Price Forever

Choose any API — Claude, GPT, Gemini, Mistral. Pick your token volume, pay today's rate, and lock it permanently. Even if prices rise 10x, your rate never changes.

Pay & Go

One Call, One Payment

Need Claude just once? Pay a micro-amount in ETH via Robinhood and get instant one-time access. No account, no subscription, no commitment. Use the API and move on.

Step by step

01

Pick an API

Browse 30+ providers. Claude, GPT-5, Gemini, Mistral, Llama, and more.

02

Choose Your Mode

Reserve bulk calls at a locked rate, or select pay-as-you-go for one-time access.

03

Pay Instantly

Pay with ETH via Robinhood for pay-as-you-go, or lock in with any payment method for reservations.

04

Use Instantly

Activate your key instantly. Reserved tokens are ready to use the moment your payment confirms.

Features

Built for every kind of API user

Price Lock Guarantee

Your reserved price never changes. No matter how much providers increase their rates, your locked calls remain at the original cost.

ETH Micro-Payments

Pay with Ethereum via Robinhood for single API calls. No minimums, no subscriptions. Just pay a fraction and get instant access.

Permanent Price Lock

Every reservation locks your rate forever. No matter how much providers increase their prices, your tokens stay at the original cost.

Zero Commitment Access

Pay-as-you-go means no sign-ups, no recurring charges. Use Claude or GPT once, pay pennies in ETH, and walk away.

Market Tracking

Real-time price tracking across all major API providers. See historical trends and make informed reservation decisions.

Usage Dashboard

Track your reserved token balance in real-time. See exactly how many tokens remain and your cost savings vs pay-as-you-go.

Instant Activation

Both modes activate instantly. Reserved keys are ready on click. Pay-as-you-go calls execute the moment your ETH clears.

Multi-Provider Support

Access Claude, GPT, Gemini, Mistral, Llama, Cohere, and 30+ more — whether you're reserving in bulk or paying per call.

Use Cases

Who uses ReserveAPI

Startups

Lock in low rates while scaling. Reserve millions of API calls at seed-stage pricing before your usage explodes.

Solo Developers

Need GPT for a quick prototype? Pay a few cents in ETH, get one call, and ship. No accounts, no overhead.

Enterprises

Hedge against provider price increases. Secure budget-predictable API access for multi-year product roadmaps.

Casual Users

Try Claude or Gemini once without signing up anywhere. Pay-as-you-go with ETH and see if the API fits your needs.

AI Teams

Give your whole team access to premium models without managing individual API keys or subscriptions.

Agencies

Mix both models — reserve bulk for core clients, use pay-as-you-go for one-off client demos and explorations.

Pricing

Reserve in bulk or pay per call

Reservations — Lock the price

1M tokens

Claude Sonnet 4.5

$10.53

Current market: $11.70

10% saved
1M tokens

GPT-4o

$5.63

Current market: $6.25

10% saved
2M tokens

Gemini 2.5 Pro

$10.13

Current market: $11.25

10% saved

Pay-As-You-Go — ETH micro-payments

Per call

Claude Sonnet 4.5

~$0.18

0.0001 ETH

via Robinhood
Per call

GPT-4o

~$0.18

0.0001 ETH

via Robinhood
Per call

Gemini 2.5 Pro

~$0.18

0.0001 ETH

via Robinhood

FAQ

Common questions

When you reserve API calls, you pay the current market rate. This rate is permanently locked for your reserved volume. Even if the provider raises prices by 5x or 10x, your reserved calls remain at the original price you paid.

Simply select an API, pay a micro-amount in ETH through Robinhood, and get instant one-time access. No account needed, no subscription. You pay for exactly one call and you're done.

ETH enables frictionless micro-payments — fractions of a cent per API call. Robinhood makes it accessible to everyone without needing a crypto wallet or exchange account. Just use the ETH in your Robinhood balance.

Not yet. Transferability and a secondary marketplace are on the roadmap for a future update.

We support 30+ API providers including Claude (Anthropic), GPT-4/5 (OpenAI), Gemini (Google), Mistral, Llama, Cohere, Stability AI, and more. All are available for both reservation and pay-as-you-go.

For reservations, we offer a full refund for unused calls or equivalent credit toward another provider. Pay-as-you-go calls are executed instantly so there's no risk.

No minimum. You can make a single API call for fractions of a cent in ETH. For reservations, the minimum is 10,000 calls.

Instant. Once your ETH payment is confirmed (typically under 2 seconds via Robinhood), the API call executes immediately and you receive the response.

Reserve in bulk. Or just pay and go.

Lock prices for the long haul, or pay a fraction in ETH for a single call. Either way, you're in control.